Description of problem: NFS4 is NOT enabled by default anymore although it is supported. Modify note at http://docs.fedoraproject.org/release-notes/f12/en-US/html/sect-Release_Notes-Networking.html Link to http://fedoraproject.org/wiki/Dracut From email at f-docs-l.
This was previously reported, was corrected with commit cc62ce2cb960c11c9fb4c4654b45f41ddceee163